As explained in next vid Rulers are Available: https://www.etsy.com/ca/listing/464202928/one-rule-to-ruler-them-all-cheeky-jokes FAQ: 1.Yes, the original 200 I made for gifts are still getting sent out, as gifts. What the fuck do you take me for? 2.Any colour you want, so long as it's BLACK 3."0" is at the very end, not indented. (actually a scale, not a ruler) 4.It's a kit. It comes with all the electronic parts and magnet. 5.Metric on reverse 6.Shipping is $3.60CAD world-wide, it's in the pull down menu Just a dip of the toe for guys who are curious. Not like that. This is a Patron request to do an electronics basics vid, without over complicating things. Kindly add your pedantics down below me. Long term projects here http://www.Patreon.com/AvE